Vortex Hacks

This vortex canon looks like a makeshift artillery piece built by an evil mad scientist. The super powered cannon creates a vortex of churning air or liquid caused by a rapid spiraling motion. This rapid spiral is then exerted in a forward motion...

We’ve covered some superb giant smoke ring generators in the past, and here’s a smaller, simpler version you can build in a few hours. The smoke-ring shooting cannon is powered by a 12″ speaker which is boosted by an amplifier. As the...